Home / 31,714.36-43,765.68-18,285.52

Finding the Fourth Proportional to 31,714.36, 43,765.68 and 18,285.52

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Solution

The fourth proportional to 31,714.36, 43,765.68 and 18,285.52 is: 25,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.36 : 43,765.68 = 18,285.52 : x
  2. Step 2: Convert to fraction form
    31,714.36/43,765.68 = 18,285.52/x
  3. Step 3: Cross multiply
    31,714.36x = 43,765.68 × 18,285.52
  4. Step 4: Simplify right side
    31,714.36x = 800,278,216.95
  5. Step 5: Solve for x
    x = 800,278,216.95/31,714.36
  6. Step 6: Final answer
    x = 25,233.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.